13397948 has 12 divisors (see below), whose sum is σ = 23591400. Its totient is φ = 6657552.

The previous prime is 13397941. The next prime is 13397957. The reversal of 13397948 is 84979331.

It is a happy number.

It is a super-2 number, since 2×13397948² = 359010021221408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13397899 and 13397908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13397941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9623 + ... + 10926.

It is an arithmetic number, because the mean of its divisors is an integer number (1965950).

Almost surely, 2^13397948 is an apocalyptic number.

It is an amenable number.

13397948 is a deficient number, since it is larger than the sum of its proper divisors (10193452).

13397948 is a wasteful number, since it uses less digits than its factorization.

13397948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20716 (or 20714 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 13397948 is about 3660.3207509725. The cubic root of 13397948 is about 237.5086489925.

The spelling of 13397948 in words is "thirteen million, three hundred ninety-seven thousand, nine hundred forty-eight".